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ISX Cummins Engines?
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CND
Posted 10/25/2010 19:02 (#1407442)
Subject: ISX Cummins Engines?



Anamoose, ND
So what is the good and the bad of these ISX truck engines? Looking at a IH Semi with a 435 ISX. Truck is a 06. How much trouble can I expect from the emissions system? Are their certain years of production to stay away from? I know a good old N14 would be a lot simpler engine but all of the trucks from that era are starting to have a lot of miles on them. Any advise would be great. Thanks.
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HobbyTRUCKER
Posted 10/25/2010 21:11 (#1407670 - in reply to #1407442)
Subject: Re: ISX Cummins Engines?



Find a reman N14, want my old one back every day compared to my ISX! 506,000 and 3 EGR valves later, and feel we have another approaching, bought it with 393,000! They work with us at the shop, but still a pain........ About $800 to $1000 every go round............ I will say this, I am a Cummins N14 fan any day, but have 3 trucks, 2 Cats, have not had a lick of trouble with either of those! C15 never touched 460,000, C-13, Cat overhaul before I bought, 440,000 and nothing afterwards so far.
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School Of Hard Knock
Posted 10/25/2010 21:21 (#1407702 - in reply to #1407442)
Subject: RE: ISX Cummins Engines?


just a tish NE of central ND
CND - 10/25/2010 18:02

So what is the good and the bad of these ISX truck engines? Looking at a IH Semi with a 435 ISX. Truck is a 06. How much trouble can I expect from the emissions system? Are their certain years of production to stay away from? I know a good old N14 would be a lot simpler engine but all of the trucks from that era are starting to have a lot of miles on them. Any advise would be great. Thanks.


Not to hijack the post.... but did you ever figure out what is wrong with your truck engine?
While Im no truck guy....Those ol n 14's have some downflls too... like the 540$ injectors the use in them.But engines all seem to be made pretty good now day...
Good luck on you search for a truck.
ss


Edited by School Of Hard Knock 10/25/2010 21:22
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JD9530
Posted 10/25/2010 21:53 (#1407778 - in reply to #1407442)
Subject: RE: ISX Cummins Engines?


SCMN
I have an '04 ISX at first I didn't care for it after replacing the $800 EGR valve. After a little research and simply unplugging I gained 1 MPG and haven't had any troubles since.
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mlazyj
Posted 10/25/2010 22:02 (#1407797 - in reply to #1407442)
Subject: RE: ISX Cummins Engines?


Let me see ,anything that has to do witht the EGR system before 07 is going to have problems , turbos have been a issue . One big problem is teaching drivers how to drive them . 1400-1500 is the sweet spot , run it down to 1150 . I put 40,000 miles on a 08 Kw with a 525 ISX in it . It had decent power , but the fuel milage wasn't very impressive 4.3-4.8 hauling 96,000 hauling cows.

I wouldn't buy one , but hey I bleed yellow
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NB4020
Posted 10/25/2010 22:21 (#1407841 - in reply to #1407442)
Subject: Re: ISX Cummins Engines?


Woodstock,New Brunswick.Canada
Run as fast as you can from that money pit!!I drove the same truck for a friend this past summer because of health problems,I am a Cummins man from way back but I would not take one of those trucks if someone gave me one and offered to put the fuel in it.They traded that truck a month ago for a new Western Star,a new IH with a ISX would charge $7500 for extended warranty while the Star with the 515 Detorit warranty was $675 for more miles,so that tells you a lot about what will happen in a few years.The Eagle he traded in only had 730,000 Km.and cost him just about 20% of the initial price of the truck in repairs,some covered by warranty but a lot was not,about half of the trouble was the motor(2 turbo,'s 2 coolant bundles 3 EGR ) and the rest was the truck.This truck was very well maintained and was not abused.Stay with the old N-14 if you can,they are not perfect but they are a lot cheaper to run than the ISX.
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CND
Posted 10/25/2010 22:33 (#1407865 - in reply to #1407442)
Subject: Re: ISX Cummins Engines?



Anamoose, ND
Hey Steve-Not sure if I have the problem fixed yet or not. I put a new oil cooler on this past week which was easy to do, getting all the oil residue out of cooling system was the real chore. I am not sure what I am going to do yet, if I can get it fixed I might keep the old truck around for on the spray trailer or on the old grain trailer during harvest. If the problem persists I am probably looking at a overhaul.
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dairyfarmer
Posted 10/25/2010 22:52 (#1407899 - in reply to #1407442)
Subject: RE: ISX Cummins Engines?


New Ulm,MN
the isx is the best engine you can get with all this added epa crap. yes they do have some problems,egr valves are one,have seen some isx with 600,000 plus mile on with original egr valve on.next would have 4 replaced already,run the green a/f in them,that red extended life crap eats gaskets
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ndjw0714
Posted 10/26/2010 00:51 (#1408080 - in reply to #1407442)
Subject: RE: ISX Cummins Engines?


nc north dakota
i have two isx engines on the farm. the 05' truck i have had great performance, good mileage, dependability in extreme cold and no issues. just got an 08' this summer and the engine has very high hours for a 3 yr old. the jury is still out on the newer one...and it has been at the engine shop already....nothing drastic though. all of the owner/operator truckers ive talked to around here like the isx.

JMO.....with all of the epa hurdles we are going to have to deal with in the upcoming years, might as well find someplace that has good service. And then go with the engine they specialize in. i have heard issues with every engine manufacturer.
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jdg
Posted 10/26/2010 21:00 (#1409243 - in reply to #1407442)
Subject: RE: ISX Cummins Engines?


Cen IL
Drove a 450 hp ISX '07 model in a T600. Had 600,000 miles on it and only had 1 thing on it ever touched (injector). Oil changed every 30,000 miles and oil level didn't drop 1/16" on stick in 30,000 miles. Needless to say, I was very impressed with it and I'm partial to Cat's. Would definetly not be afraid to own one. jeff
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